You have no maximum hand size. {T}: Add one mana of any color.

At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{1}, {T}: Add {G}{W}.

Equipped creature gets +1/+1 and has trample and lifelink. {1}: Permanents your opponents control lose hexproof and indestructible until end of turn. Equip {2}

Whenever you gain life, put a +1/+1 counter on this creature.

Vigilance (Attacking doesn't cause this creature to tap.)

Haste (This creature can attack and {T} as soon as it comes under your control.) Whenever this creature attacks, other creatures you control get +1/+0 until end of turn.

Vigilance (Attacking doesn't cause this creature to tap.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your upkeep, if you have 40 or more life, you win the game.

Other Cats you control get +1/+1 and have protection from Dogs. Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

Creatures you control get +1/+0 and have vigilance as long as you control three or more creatures. Creatures you control also get +1/+0 and have trample as long as you control six or more creatures. Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures.

If you would create one or more tokens, you may instead create that many 2/2 green Cat creature tokens with haste or that many 3/1 green Dog creature tokens with vigilance.

Whenever one or more non-Human creatures you control deal combat damage to a player, draw a card.

Other Cats you control get +2/+1.

Whenever this creature attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

Vigilance When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Your opponents can't cast spells during combat. Whenever a creature you control deals combat damage to a player, goad each creature that player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Other Dogs you control get +1/+1. Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

This creature gets +1/+1 for each other Cat you control. {W}, {T}, Exert this creature: Create two 1/1 white Cat creature tokens with lifelink. (An exerted creature won't untap during your next untap step.)

Reach Whenever this creature or another Cat you control enters, you may destroy target artifact or enchantment.

Other Cats you control get +1/+1 and have lifelink. (Damage dealt by those creatures also causes you to gain that much life.) When this creature enters, create two 1/1 white Cat creature tokens with lifelink.

Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

When this creature enters, draw a card.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

Whenever a creature you control attacks, you may put a quest counter on this enchantment. As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

At the beginning of your upkeep, look at the top card of your library. If it's a creature or planeswalker card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it on the bottom of your library.

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

Landfall — Whenever a land you control enters, choose one — • Create a 2/2 white Cat Beast creature token. • Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Commander creatures you own have "Creature tokens you control get +2/+2."

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Choose one — • Naya Charm deals 3 damage to target creature. • Return target card from a graveyard to its owner's hand. • Tap all creatures target player controls.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Exile target creature. Its controller gains life equal to its power.

{T}: Add {C}. {2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

When this land enters, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {G}.)

This land enters tapped. {T}: Add {R}, {G}, or {W}.

({T}: Add {R}.)

({T}: Add {W}.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.